package com.yida.file.service;

import java.io.InputStream;

import javax.servlet.http.HttpServletResponse;

import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import com.yida.file.utils.FileUploadUtils;
import com.yida.system.api.domain.SysFile;

/**
 * 本地文件存储
 * 
 * @author yida
 */
@Service
public class LocalSysFileServiceImpl implements ISysFileService {
    /**
     * 资源映射路径 前缀
     */
    @Value("${file.prefix}")
    public String localFilePrefix;

    /**
     * 域名或本机访问地址
     */
    @Value("${file.domain}")
    public String domain;

    /**
     * 上传文件存储在本地的根路径
     */
    @Value("${file.path}")
    private String localFilePath;

    /**
     * 本地文件上传接口
     * 
     * @param file 上传的文件
     * @return 访问地址
     * @throws Exception
     */
    @Override
    public String uploadFile(MultipartFile file) throws Exception {
        String name = FileUploadUtils.upload(localFilePath, file);
        String url = domain + localFilePrefix + name;
        return url;
    }

    /* (non-Javadoc)
     * @see com.yida.file.service.ISysFileService#download(java.lang.String, java.lang.String, java.lang.String, javax.servlet.http.HttpServletResponse)
     */
    @Override
    public InputStream download(String filePath, String bucket, String downloadName, HttpServletResponse response) throws Exception {
        // TODO Auto-generated method stub
        return null;
    }

    /* (non-Javadoc)
     * @see com.yida.file.service.ISysFileService#uploadFileDynamicLink(org.springframework.web.multipart.MultipartFile, java.lang.String, java.lang.String, boolean)
     */
    @Override
    public SysFile uploadFileDynamicLink(MultipartFile file, String bucketName, String fileName, boolean dynamicLinkFlag) throws Exception {
        // TODO Auto-generated method stub
        return null;
    }

}
